. >> santa clara valley water district uses the web cams. >> it's more cost-effective than traveling there during a storm but it's not going to prevent a major flooding issue, over banks of the creeks. >> that is why they are working to work on plans, they are spending $40 million to improve the creek's ability to drain storm flow in the bay. >> we'll be building flood walls between the bay and highway 101. we'll be modifying bridges. there are four bridges in addition to the four bridges across the creek, highway 101 will be rebuilt over the creek. that is caltrans project. >> it will take two years or longer for some of these projects to be completed. >>> here is look outside now from our san francisco camera on the water mark building. you can see how heavy traffic is on the upper deck of the bay bridge right now. these are cars heading into san francisco. it is packed and slow going and the rain is just getting underway. california emergency management agency says this stormy weather reminds us to get ready for rainy season. we are encouraged to have emergency kids including batt